81941750

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{359}}^1$

素因数の和:470

約数の個数: 64

約数和(自身を含む): 169827840

約数和(自身を除く): 87886090

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 83, 110, 125, 166, 250, 275, 359, 415, 550, 718, 830, 913, 1375, 1795, 1826, 2075, 2750, 3590, 3949, 4150, 4565, 7898, 8975, 9130, 10375, 17950, 19745, 20750, 22825, 29797, 39490, 44875, 45650, 59594, 89750, 98725, 114125, 148985, 197450, 228250, 297970, 327767, 493625, 655534, 744925, 987250, 1489850, 1638835, 3277670, 3724625, 7449250, 8194175, 16388350, 40970875, 81941750]

約数ペア:

[(1, 81941750), (2, 40970875), (5, 16388350), (10, 8194175), (11, 7449250), (22, 3724625), (25, 3277670), (50, 1638835), (55, 1489850), (83, 987250), (110, 744925), (125, 655534), (166, 493625), (250, 327767), (275, 297970), (359, 228250), (415, 197450), (550, 148985), (718, 114125), (830, 98725), (913, 89750), (1375, 59594), (1795, 45650), (1826, 44875), (2075, 39490), (2750, 29797), (3590, 22825), (3949, 20750), (4150, 19745), (4565, 17950), (7898, 10375), (8975, 9130)]