15693521825

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{41}}^2\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:363

約数の個数: 72

約数和(自身を含む): 21023356800

約数和(自身を除く): 5329834975

約数列:

[1, 5, 25, 29, 41, 79, 145, 163, 205, 395, 725, 815, 1025, 1189, 1681, 1975, 2291, 3239, 4075, 4727, 5945, 6683, 8405, 11455, 12877, 16195, 23635, 29725, 33415, 42025, 48749, 57275, 64385, 80975, 93931, 118175, 132799, 167075, 193807, 243745, 274003, 321925, 373433, 469655, 527957, 663995, 969035, 1218725, 1370015, 1867165, 2348275, 2639785, 3319975, 3851171, 4845175, 6850075, 7946087, 9335825, 13198925, 15310753, 19255855, 21646237, 39730435, 76553765, 96279275, 108231185, 198652175, 382768825, 541155925, 627740873, 3138704365, 15693521825]

約数ペア:

[(1, 15693521825), (5, 3138704365), (25, 627740873), (29, 541155925), (41, 382768825), (79, 198652175), (145, 108231185), (163, 96279275), (205, 76553765), (395, 39730435), (725, 21646237), (815, 19255855), (1025, 15310753), (1189, 13198925), (1681, 9335825), (1975, 7946087), (2291, 6850075), (3239, 4845175), (4075, 3851171), (4727, 3319975), (5945, 2639785), (6683, 2348275), (8405, 1867165), (11455, 1370015), (12877, 1218725), (16195, 969035), (23635, 663995), (29725, 527957), (33415, 469655), (42025, 373433), (48749, 321925), (57275, 274003), (64385, 243745), (80975, 193807), (93931, 167075), (118175, 132799)]