104001280

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2621}}^1$

素因数の和:2673

約数の個数: 72

約数和(自身を含む): 257249664

約数和(自身を除く): 153248384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1984, 2480, 2621, 3968, 4960, 5242, 7936, 9920, 10484, 13105, 19840, 20968, 26210, 39680, 41936, 52420, 81251, 83872, 104840, 162502, 167744, 209680, 325004, 335488, 406255, 419360, 650008, 670976, 812510, 838720, 1300016, 1625020, 1677440, 2600032, 3250040, 3354880, 5200064, 6500080, 10400128, 13000160, 20800256, 26000320, 52000640, 104001280]

約数ペア:

[(1, 104001280), (2, 52000640), (4, 26000320), (5, 20800256), (8, 13000160), (10, 10400128), (16, 6500080), (20, 5200064), (31, 3354880), (32, 3250040), (40, 2600032), (62, 1677440), (64, 1625020), (80, 1300016), (124, 838720), (128, 812510), (155, 670976), (160, 650008), (248, 419360), (256, 406255), (310, 335488), (320, 325004), (496, 209680), (620, 167744), (640, 162502), (992, 104840), (1240, 83872), (1280, 81251), (1984, 52420), (2480, 41936), (2621, 39680), (3968, 26210), (4960, 20968), (5242, 19840), (7936, 13105), (9920, 10484)]