55955840

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:212

約数の個数: 128

約数和(自身を含む): 146512800

約数和(自身を除く): 90556960

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 37, 40, 64, 68, 74, 80, 85, 128, 136, 139, 148, 160, 170, 185, 272, 278, 296, 320, 340, 370, 544, 556, 592, 629, 640, 680, 695, 740, 1088, 1112, 1184, 1258, 1360, 1390, 1480, 2176, 2224, 2363, 2368, 2516, 2720, 2780, 2960, 3145, 4448, 4726, 4736, 5032, 5143, 5440, 5560, 5920, 6290, 8896, 9452, 10064, 10286, 10880, 11120, 11815, 11840, 12580, 17792, 18904, 20128, 20572, 22240, 23630, 23680, 25160, 25715, 37808, 40256, 41144, 44480, 47260, 50320, 51430, 75616, 80512, 82288, 87431, 88960, 94520, 100640, 102860, 151232, 164576, 174862, 189040, 201280, 205720, 302464, 329152, 349724, 378080, 402560, 411440, 437155, 658304, 699448, 756160, 822880, 874310, 1398896, 1512320, 1645760, 1748620, 2797792, 3291520, 3497240, 5595584, 6994480, 11191168, 13988960, 27977920, 55955840]

約数ペア:

[(1, 55955840), (2, 27977920), (4, 13988960), (5, 11191168), (8, 6994480), (10, 5595584), (16, 3497240), (17, 3291520), (20, 2797792), (32, 1748620), (34, 1645760), (37, 1512320), (40, 1398896), (64, 874310), (68, 822880), (74, 756160), (80, 699448), (85, 658304), (128, 437155), (136, 411440), (139, 402560), (148, 378080), (160, 349724), (170, 329152), (185, 302464), (272, 205720), (278, 201280), (296, 189040), (320, 174862), (340, 164576), (370, 151232), (544, 102860), (556, 100640), (592, 94520), (629, 88960), (640, 87431), (680, 82288), (695, 80512), (740, 75616), (1088, 51430), (1112, 50320), (1184, 47260), (1258, 44480), (1360, 41144), (1390, 40256), (1480, 37808), (2176, 25715), (2224, 25160), (2363, 23680), (2368, 23630), (2516, 22240), (2720, 20572), (2780, 20128), (2960, 18904), (3145, 17792), (4448, 12580), (4726, 11840), (4736, 11815), (5032, 11120), (5143, 10880), (5440, 10286), (5560, 10064), (5920, 9452), (6290, 8896)]