49686920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{821}}^1$

素因数の和:938

約数の個数: 64

約数和(自身を含む): 119847600

約数和(自身を除く): 70160680

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 89, 136, 170, 178, 340, 356, 445, 680, 712, 821, 890, 1513, 1642, 1780, 3026, 3284, 3560, 4105, 6052, 6568, 7565, 8210, 12104, 13957, 15130, 16420, 27914, 30260, 32840, 55828, 60520, 69785, 73069, 111656, 139570, 146138, 279140, 292276, 365345, 558280, 584552, 730690, 1242173, 1461380, 2484346, 2922760, 4968692, 6210865, 9937384, 12421730, 24843460, 49686920]

約数ペア:

[(1, 49686920), (2, 24843460), (4, 12421730), (5, 9937384), (8, 6210865), (10, 4968692), (17, 2922760), (20, 2484346), (34, 1461380), (40, 1242173), (68, 730690), (85, 584552), (89, 558280), (136, 365345), (170, 292276), (178, 279140), (340, 146138), (356, 139570), (445, 111656), (680, 73069), (712, 69785), (821, 60520), (890, 55828), (1513, 32840), (1642, 30260), (1780, 27914), (3026, 16420), (3284, 15130), (3560, 13957), (4105, 12104), (6052, 8210), (6568, 7565)]