2658260540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{10639}}^1$

素因数の和:10723

約数の個数: 72

約数和(自身を含む): 6212525760

約数和(自身を除く): 3554265220

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 961, 1612, 1922, 2015, 3844, 4030, 4805, 8060, 9610, 10639, 12493, 19220, 21278, 24986, 42556, 49972, 53195, 62465, 106390, 124930, 138307, 212780, 249860, 276614, 329809, 553228, 659618, 691535, 1319236, 1383070, 1649045, 2766140, 3298090, 4287517, 6596180, 8575034, 10224079, 17150068, 20448158, 21437585, 40896316, 42875170, 51120395, 85750340, 102240790, 132913027, 204481580, 265826054, 531652108, 664565135, 1329130270, 2658260540]

約数ペア:

[(1, 2658260540), (2, 1329130270), (4, 664565135), (5, 531652108), (10, 265826054), (13, 204481580), (20, 132913027), (26, 102240790), (31, 85750340), (52, 51120395), (62, 42875170), (65, 40896316), (124, 21437585), (130, 20448158), (155, 17150068), (260, 10224079), (310, 8575034), (403, 6596180), (620, 4287517), (806, 3298090), (961, 2766140), (1612, 1649045), (1922, 1383070), (2015, 1319236), (3844, 691535), (4030, 659618), (4805, 553228), (8060, 329809), (9610, 276614), (10639, 249860), (12493, 212780), (19220, 138307), (21278, 124930), (24986, 106390), (42556, 62465), (49972, 53195)]