822955250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{809}}^1$

素因数の和:1152

約数の個数: 64

約数和(自身を含む): 1666435680

約数和(自身を除く): 843480430

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 313, 325, 626, 650, 809, 1565, 1618, 1625, 3130, 3250, 4045, 4069, 7825, 8090, 8138, 10517, 15650, 20225, 20345, 21034, 39125, 40450, 40690, 52585, 78250, 101125, 101725, 105170, 202250, 203450, 253217, 262925, 506434, 508625, 525850, 1017250, 1266085, 1314625, 2532170, 2629250, 3291821, 6330425, 6583642, 12660850, 16459105, 31652125, 32918210, 63304250, 82295525, 164591050, 411477625, 822955250]

約数ペア:

[(1, 822955250), (2, 411477625), (5, 164591050), (10, 82295525), (13, 63304250), (25, 32918210), (26, 31652125), (50, 16459105), (65, 12660850), (125, 6583642), (130, 6330425), (250, 3291821), (313, 2629250), (325, 2532170), (626, 1314625), (650, 1266085), (809, 1017250), (1565, 525850), (1618, 508625), (1625, 506434), (3130, 262925), (3250, 253217), (4045, 203450), (4069, 202250), (7825, 105170), (8090, 101725), (8138, 101125), (10517, 78250), (15650, 52585), (20225, 40690), (20345, 40450), (21034, 39125)]