172416920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{1321}}^1$

素因数の和:1596

約数の個数: 64

約数和(自身を含む): 419761440

約数和(自身を除く): 247344520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 251, 260, 502, 520, 1004, 1255, 1321, 2008, 2510, 2642, 3263, 5020, 5284, 6526, 6605, 10040, 10568, 13052, 13210, 16315, 17173, 26104, 26420, 32630, 34346, 52840, 65260, 68692, 85865, 130520, 137384, 171730, 331571, 343460, 663142, 686920, 1326284, 1657855, 2652568, 3315710, 4310423, 6631420, 8620846, 13262840, 17241692, 21552115, 34483384, 43104230, 86208460, 172416920]

約数ペア:

[(1, 172416920), (2, 86208460), (4, 43104230), (5, 34483384), (8, 21552115), (10, 17241692), (13, 13262840), (20, 8620846), (26, 6631420), (40, 4310423), (52, 3315710), (65, 2652568), (104, 1657855), (130, 1326284), (251, 686920), (260, 663142), (502, 343460), (520, 331571), (1004, 171730), (1255, 137384), (1321, 130520), (2008, 85865), (2510, 68692), (2642, 65260), (3263, 52840), (5020, 34346), (5284, 32630), (6526, 26420), (6605, 26104), (10040, 17173), (10568, 16315), (13052, 13210)]