25432890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{743}}^1$

素因数の和:923

約数の個数: 64

約数和(自身を含む): 70281216

約数和(自身を除く): 44848326

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 163, 210, 326, 489, 743, 815, 978, 1141, 1486, 1630, 2229, 2282, 2445, 3423, 3715, 4458, 4890, 5201, 5705, 6846, 7430, 10402, 11145, 11410, 15603, 17115, 22290, 26005, 31206, 34230, 52010, 78015, 121109, 156030, 242218, 363327, 605545, 726654, 847763, 1211090, 1695526, 1816635, 2543289, 3633270, 4238815, 5086578, 8477630, 12716445, 25432890]

約数ペア:

[(1, 25432890), (2, 12716445), (3, 8477630), (5, 5086578), (6, 4238815), (7, 3633270), (10, 2543289), (14, 1816635), (15, 1695526), (21, 1211090), (30, 847763), (35, 726654), (42, 605545), (70, 363327), (105, 242218), (163, 156030), (210, 121109), (326, 78015), (489, 52010), (743, 34230), (815, 31206), (978, 26005), (1141, 22290), (1486, 17115), (1630, 15603), (2229, 11410), (2282, 11145), (2445, 10402), (3423, 7430), (3715, 6846), (4458, 5705), (4890, 5201)]