12892450

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{331}}^1$

素因数の和:403

約数の個数: 48

約数和(自身を含む): 25935840

約数和(自身を除く): 13043390

約数列:

[1, 2, 5, 10, 19, 25, 38, 41, 50, 82, 95, 190, 205, 331, 410, 475, 662, 779, 950, 1025, 1558, 1655, 2050, 3310, 3895, 6289, 7790, 8275, 12578, 13571, 16550, 19475, 27142, 31445, 38950, 62890, 67855, 135710, 157225, 257849, 314450, 339275, 515698, 678550, 1289245, 2578490, 6446225, 12892450]

約数ペア:

[(1, 12892450), (2, 6446225), (5, 2578490), (10, 1289245), (19, 678550), (25, 515698), (38, 339275), (41, 314450), (50, 257849), (82, 157225), (95, 135710), (190, 67855), (205, 62890), (331, 38950), (410, 31445), (475, 27142), (662, 19475), (779, 16550), (950, 13571), (1025, 12578), (1558, 8275), (1655, 7790), (2050, 6289), (3310, 3895)]