16880498890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{733}}^1\times {\mathrm{1987}}^1$

素因数の和:2807

約数の個数: 64

約数和(自身を含む): 32569165440

約数和(自身を除く): 15688666550

約数列:

[1, 2, 5, 10, 19, 38, 61, 95, 122, 190, 305, 610, 733, 1159, 1466, 1987, 2318, 3665, 3974, 5795, 7330, 9935, 11590, 13927, 19870, 27854, 37753, 44713, 69635, 75506, 89426, 121207, 139270, 188765, 223565, 242414, 377530, 447130, 606035, 849547, 1212070, 1456471, 1699094, 2302933, 2912942, 4247735, 4605866, 7282355, 8495470, 11514665, 14564710, 23029330, 27672949, 55345898, 88844731, 138364745, 177689462, 276729490, 444223655, 888447310, 1688049889, 3376099778, 8440249445, 16880498890]

約数ペア:

[(1, 16880498890), (2, 8440249445), (5, 3376099778), (10, 1688049889), (19, 888447310), (38, 444223655), (61, 276729490), (95, 177689462), (122, 138364745), (190, 88844731), (305, 55345898), (610, 27672949), (733, 23029330), (1159, 14564710), (1466, 11514665), (1987, 8495470), (2318, 7282355), (3665, 4605866), (3974, 4247735), (5795, 2912942), (7330, 2302933), (9935, 1699094), (11590, 1456471), (13927, 1212070), (19870, 849547), (27854, 606035), (37753, 447130), (44713, 377530), (69635, 242414), (75506, 223565), (89426, 188765), (121207, 139270)]