85855900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{313}}^1$

素因数の和:551

約数の個数: 72

約数和(自身を含む): 202233584

約数和(自身を除く): 116377684

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 211, 260, 313, 325, 422, 626, 650, 844, 1055, 1252, 1300, 1565, 2110, 2743, 3130, 4069, 4220, 5275, 5486, 6260, 7825, 8138, 10550, 10972, 13715, 15650, 16276, 20345, 21100, 27430, 31300, 40690, 54860, 66043, 68575, 81380, 101725, 132086, 137150, 203450, 264172, 274300, 330215, 406900, 660430, 858559, 1320860, 1651075, 1717118, 3302150, 3434236, 4292795, 6604300, 8585590, 17171180, 21463975, 42927950, 85855900]

約数ペア:

[(1, 85855900), (2, 42927950), (4, 21463975), (5, 17171180), (10, 8585590), (13, 6604300), (20, 4292795), (25, 3434236), (26, 3302150), (50, 1717118), (52, 1651075), (65, 1320860), (100, 858559), (130, 660430), (211, 406900), (260, 330215), (313, 274300), (325, 264172), (422, 203450), (626, 137150), (650, 132086), (844, 101725), (1055, 81380), (1252, 68575), (1300, 66043), (1565, 54860), (2110, 40690), (2743, 31300), (3130, 27430), (4069, 21100), (4220, 20345), (5275, 16276), (5486, 15650), (6260, 13715), (7825, 10972), (8138, 10550)]