1291697620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{26699}}^1$

素因数の和:26808

約数の個数: 48

約数和(自身を含む): 2825928000

約数和(自身を除く): 1534230380

約数列:

[1, 2, 4, 5, 10, 20, 41, 59, 82, 118, 164, 205, 236, 295, 410, 590, 820, 1180, 2419, 4838, 9676, 12095, 24190, 26699, 48380, 53398, 106796, 133495, 266990, 533980, 1094659, 1575241, 2189318, 3150482, 4378636, 5473295, 6300964, 7876205, 10946590, 15752410, 21893180, 31504820, 64584881, 129169762, 258339524, 322924405, 645848810, 1291697620]

約数ペア:

[(1, 1291697620), (2, 645848810), (4, 322924405), (5, 258339524), (10, 129169762), (20, 64584881), (41, 31504820), (59, 21893180), (82, 15752410), (118, 10946590), (164, 7876205), (205, 6300964), (236, 5473295), (295, 4378636), (410, 3150482), (590, 2189318), (820, 1575241), (1180, 1094659), (2419, 533980), (4838, 266990), (9676, 133495), (12095, 106796), (24190, 53398), (26699, 48380)]