25430900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{379}}^1$

素因数の和:465

約数の個数: 72

約数和(自身を含む): 61350240

約数和(自身を除く): 35919340

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 61, 100, 110, 122, 220, 244, 275, 305, 379, 550, 610, 671, 758, 1100, 1220, 1342, 1516, 1525, 1895, 2684, 3050, 3355, 3790, 4169, 6100, 6710, 7580, 8338, 9475, 13420, 16676, 16775, 18950, 20845, 23119, 33550, 37900, 41690, 46238, 67100, 83380, 92476, 104225, 115595, 208450, 231190, 254309, 416900, 462380, 508618, 577975, 1017236, 1155950, 1271545, 2311900, 2543090, 5086180, 6357725, 12715450, 25430900]

約数ペア:

[(1, 25430900), (2, 12715450), (4, 6357725), (5, 5086180), (10, 2543090), (11, 2311900), (20, 1271545), (22, 1155950), (25, 1017236), (44, 577975), (50, 508618), (55, 462380), (61, 416900), (100, 254309), (110, 231190), (122, 208450), (220, 115595), (244, 104225), (275, 92476), (305, 83380), (379, 67100), (550, 46238), (610, 41690), (671, 37900), (758, 33550), (1100, 23119), (1220, 20845), (1342, 18950), (1516, 16775), (1525, 16676), (1895, 13420), (2684, 9475), (3050, 8338), (3355, 7580), (3790, 6710), (4169, 6100)]