25571440

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1$

素因数の和:266

約数の個数: 80

約数和(自身を含む): 62594208

約数和(自身を除く): 37022768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 53, 74, 80, 106, 148, 163, 185, 212, 265, 296, 326, 370, 424, 530, 592, 652, 740, 815, 848, 1060, 1304, 1480, 1630, 1961, 2120, 2608, 2960, 3260, 3922, 4240, 6031, 6520, 7844, 8639, 9805, 12062, 13040, 15688, 17278, 19610, 24124, 30155, 31376, 34556, 39220, 43195, 48248, 60310, 69112, 78440, 86390, 96496, 120620, 138224, 156880, 172780, 241240, 319643, 345560, 482480, 639286, 691120, 1278572, 1598215, 2557144, 3196430, 5114288, 6392860, 12785720, 25571440]

約数ペア:

[(1, 25571440), (2, 12785720), (4, 6392860), (5, 5114288), (8, 3196430), (10, 2557144), (16, 1598215), (20, 1278572), (37, 691120), (40, 639286), (53, 482480), (74, 345560), (80, 319643), (106, 241240), (148, 172780), (163, 156880), (185, 138224), (212, 120620), (265, 96496), (296, 86390), (326, 78440), (370, 69112), (424, 60310), (530, 48248), (592, 43195), (652, 39220), (740, 34556), (815, 31376), (848, 30155), (1060, 24124), (1304, 19610), (1480, 17278), (1630, 15688), (1961, 13040), (2120, 12062), (2608, 9805), (2960, 8639), (3260, 7844), (3922, 6520), (4240, 6031)]