51787100

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{743}}^1$

素因数の和:815

約数の個数: 72

約数和(自身を含む): 122054688

約数和(自身を除く): 70267588

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 41, 50, 68, 82, 85, 100, 164, 170, 205, 340, 410, 425, 697, 743, 820, 850, 1025, 1394, 1486, 1700, 2050, 2788, 2972, 3485, 3715, 4100, 6970, 7430, 12631, 13940, 14860, 17425, 18575, 25262, 30463, 34850, 37150, 50524, 60926, 63155, 69700, 74300, 121852, 126310, 152315, 252620, 304630, 315775, 517871, 609260, 631550, 761575, 1035742, 1263100, 1523150, 2071484, 2589355, 3046300, 5178710, 10357420, 12946775, 25893550, 51787100]

約数ペア:

[(1, 51787100), (2, 25893550), (4, 12946775), (5, 10357420), (10, 5178710), (17, 3046300), (20, 2589355), (25, 2071484), (34, 1523150), (41, 1263100), (50, 1035742), (68, 761575), (82, 631550), (85, 609260), (100, 517871), (164, 315775), (170, 304630), (205, 252620), (340, 152315), (410, 126310), (425, 121852), (697, 74300), (743, 69700), (820, 63155), (850, 60926), (1025, 50524), (1394, 37150), (1486, 34850), (1700, 30463), (2050, 25262), (2788, 18575), (2972, 17425), (3485, 14860), (3715, 13940), (4100, 12631), (6970, 7430)]