25223920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{1091}}^1$

素因数の和:1138

約数の個数: 60

約数和(自身を含む): 62355384

約数和(自身を除く): 37131464

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 289, 340, 578, 680, 1091, 1156, 1360, 1445, 2182, 2312, 2890, 4364, 4624, 5455, 5780, 8728, 10910, 11560, 17456, 18547, 21820, 23120, 37094, 43640, 74188, 87280, 92735, 148376, 185470, 296752, 315299, 370940, 630598, 741880, 1261196, 1483760, 1576495, 2522392, 3152990, 5044784, 6305980, 12611960, 25223920]

約数ペア:

[(1, 25223920), (2, 12611960), (4, 6305980), (5, 5044784), (8, 3152990), (10, 2522392), (16, 1576495), (17, 1483760), (20, 1261196), (34, 741880), (40, 630598), (68, 370940), (80, 315299), (85, 296752), (136, 185470), (170, 148376), (272, 92735), (289, 87280), (340, 74188), (578, 43640), (680, 37094), (1091, 23120), (1156, 21820), (1360, 18547), (1445, 17456), (2182, 11560), (2312, 10910), (2890, 8728), (4364, 5780), (4624, 5455)]