21152803750

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{1301711}}^1$

素因数の和:1301746

約数の個数: 40

約数和(自身を含む): 42698757024

約数和(自身を除く): 21545953274

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 625, 650, 1250, 1625, 3250, 8125, 16250, 1301711, 2603422, 6508555, 13017110, 16922243, 32542775, 33844486, 65085550, 84611215, 162713875, 169222430, 325427750, 423056075, 813569375, 846112150, 1627138750, 2115280375, 4230560750, 10576401875, 21152803750]

約数ペア:

[(1, 21152803750), (2, 10576401875), (5, 4230560750), (10, 2115280375), (13, 1627138750), (25, 846112150), (26, 813569375), (50, 423056075), (65, 325427750), (125, 169222430), (130, 162713875), (250, 84611215), (325, 65085550), (625, 33844486), (650, 32542775), (1250, 16922243), (1625, 13017110), (3250, 6508555), (8125, 2603422), (16250, 1301711)]