1639846660

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{54049}}^1$

素因数の和:54136

約数の個数: 48

約数和(自身を含む): 3623079600

約数和(自身を除く): 1983232940

約数列:

[1, 2, 4, 5, 10, 20, 37, 41, 74, 82, 148, 164, 185, 205, 370, 410, 740, 820, 1517, 3034, 6068, 7585, 15170, 30340, 54049, 108098, 216196, 270245, 540490, 1080980, 1999813, 2216009, 3999626, 4432018, 7999252, 8864036, 9999065, 11080045, 19998130, 22160090, 39996260, 44320180, 81992333, 163984666, 327969332, 409961665, 819923330, 1639846660]

約数ペア:

[(1, 1639846660), (2, 819923330), (4, 409961665), (5, 327969332), (10, 163984666), (20, 81992333), (37, 44320180), (41, 39996260), (74, 22160090), (82, 19998130), (148, 11080045), (164, 9999065), (185, 8864036), (205, 7999252), (370, 4432018), (410, 3999626), (740, 2216009), (820, 1999813), (1517, 1080980), (3034, 540490), (6068, 270245), (7585, 216196), (15170, 108098), (30340, 54049)]