20160970375

素因数分解:

$5^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{8731}}^1$

素因数の和:8802

約数の個数: 96

約数和(自身を含む): 32610876480

約数和(自身を除く): 12449906105

約数列:

[1, 5, 7, 13, 25, 29, 35, 49, 65, 91, 125, 145, 175, 203, 245, 325, 377, 455, 637, 725, 875, 1015, 1225, 1421, 1625, 1885, 2275, 2639, 3185, 3625, 5075, 6125, 7105, 8731, 9425, 11375, 13195, 15925, 18473, 25375, 35525, 43655, 47125, 61117, 65975, 79625, 92365, 113503, 177625, 218275, 253199, 305585, 329875, 427819, 461825, 567515, 794521, 1091375, 1265995, 1527925, 1772393, 2139095, 2309125, 2837575, 3291587, 3972605, 5561647, 6329975, 7639625, 8861965, 10695475, 12406751, 14187875, 16457935, 19863025, 23041109, 27808235, 31649875, 44309825, 53477375, 62033755, 82289675, 99315125, 115205545, 139041175, 161287763, 221549125, 310168775, 411448375, 576027725, 695205875, 806438815, 1550843875, 2880138625, 4032194075, 20160970375]

約数ペア:

[(1, 20160970375), (5, 4032194075), (7, 2880138625), (13, 1550843875), (25, 806438815), (29, 695205875), (35, 576027725), (49, 411448375), (65, 310168775), (91, 221549125), (125, 161287763), (145, 139041175), (175, 115205545), (203, 99315125), (245, 82289675), (325, 62033755), (377, 53477375), (455, 44309825), (637, 31649875), (725, 27808235), (875, 23041109), (1015, 19863025), (1225, 16457935), (1421, 14187875), (1625, 12406751), (1885, 10695475), (2275, 8861965), (2639, 7639625), (3185, 6329975), (3625, 5561647), (5075, 3972605), (6125, 3291587), (7105, 2837575), (8731, 2309125), (9425, 2139095), (11375, 1772393), (13195, 1527925), (15925, 1265995), (18473, 1091375), (25375, 794521), (35525, 567515), (43655, 461825), (47125, 427819), (61117, 329875), (65975, 305585), (79625, 253199), (92365, 218275), (113503, 177625)]