25490140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:191

約数の個数: 96

約数和(自身を含む): 62657280

約数和(自身を除く): 37167140

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 73, 79, 85, 130, 146, 158, 170, 221, 260, 292, 316, 340, 365, 395, 442, 730, 790, 884, 949, 1027, 1105, 1241, 1343, 1460, 1580, 1898, 2054, 2210, 2482, 2686, 3796, 4108, 4420, 4745, 4964, 5135, 5372, 5767, 6205, 6715, 9490, 10270, 11534, 12410, 13430, 16133, 17459, 18980, 20540, 23068, 24820, 26860, 28835, 32266, 34918, 57670, 64532, 69836, 74971, 80665, 87295, 98039, 115340, 149942, 161330, 174590, 196078, 299884, 322660, 349180, 374855, 392156, 490195, 749710, 980390, 1274507, 1499420, 1960780, 2549014, 5098028, 6372535, 12745070, 25490140]

約数ペア:

[(1, 25490140), (2, 12745070), (4, 6372535), (5, 5098028), (10, 2549014), (13, 1960780), (17, 1499420), (20, 1274507), (26, 980390), (34, 749710), (52, 490195), (65, 392156), (68, 374855), (73, 349180), (79, 322660), (85, 299884), (130, 196078), (146, 174590), (158, 161330), (170, 149942), (221, 115340), (260, 98039), (292, 87295), (316, 80665), (340, 74971), (365, 69836), (395, 64532), (442, 57670), (730, 34918), (790, 32266), (884, 28835), (949, 26860), (1027, 24820), (1105, 23068), (1241, 20540), (1343, 18980), (1460, 17459), (1580, 16133), (1898, 13430), (2054, 12410), (2210, 11534), (2482, 10270), (2686, 9490), (3796, 6715), (4108, 6205), (4420, 5767), (4745, 5372), (4964, 5135)]