8303961875

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{421}}^1$

素因数の和:622

約数の個数: 80

約数和(自身を含む): 12023151360

約数和(自身を除く): 3719189485

約数列:

[1, 5, 11, 19, 25, 55, 95, 125, 151, 209, 275, 421, 475, 625, 755, 1045, 1375, 1661, 2105, 2375, 2869, 3775, 4631, 5225, 6875, 7999, 8305, 10525, 11875, 14345, 18875, 23155, 26125, 31559, 39995, 41525, 52625, 63571, 71725, 87989, 94375, 115775, 130625, 157795, 199975, 207625, 263125, 317855, 358625, 439945, 578875, 699281, 788975, 999875, 1038125, 1207849, 1589275, 1793125, 2199725, 2894375, 3496405, 3944875, 4999375, 6039245, 7946375, 10998625, 13286339, 17482025, 19724375, 30196225, 39731875, 54993125, 66431695, 87410125, 150981125, 332158475, 437050625, 754905625, 1660792375, 8303961875]

約数ペア:

[(1, 8303961875), (5, 1660792375), (11, 754905625), (19, 437050625), (25, 332158475), (55, 150981125), (95, 87410125), (125, 66431695), (151, 54993125), (209, 39731875), (275, 30196225), (421, 19724375), (475, 17482025), (625, 13286339), (755, 10998625), (1045, 7946375), (1375, 6039245), (1661, 4999375), (2105, 3944875), (2375, 3496405), (2869, 2894375), (3775, 2199725), (4631, 1793125), (5225, 1589275), (6875, 1207849), (7999, 1038125), (8305, 999875), (10525, 788975), (11875, 699281), (14345, 578875), (18875, 439945), (23155, 358625), (26125, 317855), (31559, 263125), (39995, 207625), (41525, 199975), (52625, 157795), (63571, 130625), (71725, 115775), (87989, 94375)]