25290980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{239}}^1$

素因数の和:309

約数の個数: 96

約数和(自身を含む): 64350720

約数和(自身を除く): 39059740

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 37, 44, 52, 55, 65, 74, 110, 130, 143, 148, 185, 220, 239, 260, 286, 370, 407, 478, 481, 572, 715, 740, 814, 956, 962, 1195, 1430, 1628, 1924, 2035, 2390, 2405, 2629, 2860, 3107, 4070, 4780, 4810, 5258, 5291, 6214, 8140, 8843, 9620, 10516, 10582, 12428, 13145, 15535, 17686, 21164, 26290, 26455, 31070, 34177, 35372, 44215, 52580, 52910, 62140, 68354, 88430, 97273, 105820, 114959, 136708, 170885, 176860, 194546, 229918, 341770, 389092, 459836, 486365, 574795, 683540, 972730, 1149590, 1264549, 1945460, 2299180, 2529098, 5058196, 6322745, 12645490, 25290980]

約数ペア:

[(1, 25290980), (2, 12645490), (4, 6322745), (5, 5058196), (10, 2529098), (11, 2299180), (13, 1945460), (20, 1264549), (22, 1149590), (26, 972730), (37, 683540), (44, 574795), (52, 486365), (55, 459836), (65, 389092), (74, 341770), (110, 229918), (130, 194546), (143, 176860), (148, 170885), (185, 136708), (220, 114959), (239, 105820), (260, 97273), (286, 88430), (370, 68354), (407, 62140), (478, 52910), (481, 52580), (572, 44215), (715, 35372), (740, 34177), (814, 31070), (956, 26455), (962, 26290), (1195, 21164), (1430, 17686), (1628, 15535), (1924, 13145), (2035, 12428), (2390, 10582), (2405, 10516), (2629, 9620), (2860, 8843), (3107, 8140), (4070, 6214), (4780, 5291), (4810, 5258)]