18575050

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^2$

素因数の和:124

約数の個数: 72

約数和(自身を含む): 40380228

約数和(自身を除く): 21805178

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 34, 41, 50, 65, 82, 85, 130, 170, 205, 221, 325, 410, 425, 442, 533, 650, 697, 850, 1025, 1066, 1105, 1394, 1681, 2050, 2210, 2665, 3362, 3485, 5330, 5525, 6970, 8405, 9061, 11050, 13325, 16810, 17425, 18122, 21853, 26650, 28577, 34850, 42025, 43706, 45305, 57154, 84050, 90610, 109265, 142885, 218530, 226525, 285770, 371501, 453050, 546325, 714425, 743002, 1092650, 1428850, 1857505, 3715010, 9287525, 18575050]

約数ペア:

[(1, 18575050), (2, 9287525), (5, 3715010), (10, 1857505), (13, 1428850), (17, 1092650), (25, 743002), (26, 714425), (34, 546325), (41, 453050), (50, 371501), (65, 285770), (82, 226525), (85, 218530), (130, 142885), (170, 109265), (205, 90610), (221, 84050), (325, 57154), (410, 45305), (425, 43706), (442, 42025), (533, 34850), (650, 28577), (697, 26650), (850, 21853), (1025, 18122), (1066, 17425), (1105, 16810), (1394, 13325), (1681, 11050), (2050, 9061), (2210, 8405), (2665, 6970), (3362, 5525), (3485, 5330)]