156966458125

素因数分解:

$5^4\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{251}}^1\times {\mathrm{349}}^1$

素因数の和:728

約数の個数: 80

約数和(自身を含む): 204999379200

約数和(自身を除く): 48032921075

約数列:

[1, 5, 25, 47, 61, 125, 235, 251, 305, 349, 625, 1175, 1255, 1525, 1745, 2867, 5875, 6275, 7625, 8725, 11797, 14335, 15311, 16403, 21289, 29375, 31375, 38125, 43625, 58985, 71675, 76555, 82015, 87599, 106445, 156875, 218125, 294925, 358375, 382775, 410075, 437995, 532225, 719617, 1000583, 1474625, 1791875, 1913875, 2050375, 2189975, 2661125, 3598085, 4117153, 5002915, 5343539, 7373125, 9569375, 10251875, 10949875, 13305625, 17990425, 20585765, 25014575, 26717695, 54749375, 89952125, 102928825, 125072875, 133588475, 251146333, 449760625, 514644125, 625364375, 667942375, 1255731665, 2573220625, 3339711875, 6278658325, 31393291625, 156966458125]

約数ペア:

[(1, 156966458125), (5, 31393291625), (25, 6278658325), (47, 3339711875), (61, 2573220625), (125, 1255731665), (235, 667942375), (251, 625364375), (305, 514644125), (349, 449760625), (625, 251146333), (1175, 133588475), (1255, 125072875), (1525, 102928825), (1745, 89952125), (2867, 54749375), (5875, 26717695), (6275, 25014575), (7625, 20585765), (8725, 17990425), (11797, 13305625), (14335, 10949875), (15311, 10251875), (16403, 9569375), (21289, 7373125), (29375, 5343539), (31375, 5002915), (38125, 4117153), (43625, 3598085), (58985, 2661125), (71675, 2189975), (76555, 2050375), (82015, 1913875), (87599, 1791875), (106445, 1474625), (156875, 1000583), (218125, 719617), (294925, 532225), (358375, 437995), (382775, 410075)]