85458940880

素因数分解:

$2^4\times 5^1\times {\mathrm{313}}^1\times {\mathrm{821}}^1\times {\mathrm{4157}}^1$

素因数の和:5304

約数の個数: 80

約数和(自身を含む): 199617629904

約数和(自身を除く): 114158689024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 313, 626, 821, 1252, 1565, 1642, 2504, 3130, 3284, 4105, 4157, 5008, 6260, 6568, 8210, 8314, 12520, 13136, 16420, 16628, 20785, 25040, 32840, 33256, 41570, 65680, 66512, 83140, 166280, 256973, 332560, 513946, 1027892, 1284865, 1301141, 2055784, 2569730, 2602282, 3412897, 4111568, 5139460, 5204564, 6505705, 6825794, 10278920, 10409128, 13011410, 13651588, 17064485, 20557840, 20818256, 26022820, 27303176, 34128970, 52045640, 54606352, 68257940, 104091280, 136515880, 273031760, 1068236761, 2136473522, 4272947044, 5341183805, 8545894088, 10682367610, 17091788176, 21364735220, 42729470440, 85458940880]

約数ペア:

[(1, 85458940880), (2, 42729470440), (4, 21364735220), (5, 17091788176), (8, 10682367610), (10, 8545894088), (16, 5341183805), (20, 4272947044), (40, 2136473522), (80, 1068236761), (313, 273031760), (626, 136515880), (821, 104091280), (1252, 68257940), (1565, 54606352), (1642, 52045640), (2504, 34128970), (3130, 27303176), (3284, 26022820), (4105, 20818256), (4157, 20557840), (5008, 17064485), (6260, 13651588), (6568, 13011410), (8210, 10409128), (8314, 10278920), (12520, 6825794), (13136, 6505705), (16420, 5204564), (16628, 5139460), (20785, 4111568), (25040, 3412897), (32840, 2602282), (33256, 2569730), (41570, 2055784), (65680, 1301141), (66512, 1284865), (83140, 1027892), (166280, 513946), (256973, 332560)]