15661175900

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{1409}}^1\times {\mathrm{2711}}^1$

素因数の和:4175

約数の個数: 72

約数和(自身を含む): 34851206880

約数和(自身を除く): 19190030980

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 820, 1025, 1409, 2050, 2711, 2818, 4100, 5422, 5636, 7045, 10844, 13555, 14090, 27110, 28180, 35225, 54220, 57769, 67775, 70450, 111151, 115538, 135550, 140900, 222302, 231076, 271100, 288845, 444604, 555755, 577690, 1111510, 1155380, 1444225, 2223020, 2778775, 2888450, 3819799, 5557550, 5776900, 7639598, 11115100, 15279196, 19098995, 38197990, 76395980, 95494975, 156611759, 190989950, 313223518, 381979900, 626447036, 783058795, 1566117590, 3132235180, 3915293975, 7830587950, 15661175900]

約数ペア:

[(1, 15661175900), (2, 7830587950), (4, 3915293975), (5, 3132235180), (10, 1566117590), (20, 783058795), (25, 626447036), (41, 381979900), (50, 313223518), (82, 190989950), (100, 156611759), (164, 95494975), (205, 76395980), (410, 38197990), (820, 19098995), (1025, 15279196), (1409, 11115100), (2050, 7639598), (2711, 5776900), (2818, 5557550), (4100, 3819799), (5422, 2888450), (5636, 2778775), (7045, 2223020), (10844, 1444225), (13555, 1155380), (14090, 1111510), (27110, 577690), (28180, 555755), (35225, 444604), (54220, 288845), (57769, 271100), (67775, 231076), (70450, 222302), (111151, 140900), (115538, 135550)]