79882840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1181}}^1$

素因数の和:1300

約数の個数: 64

約数和(自身を含む): 191484000

約数和(自身を除く): 111601160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 89, 95, 152, 178, 190, 356, 380, 445, 712, 760, 890, 1181, 1691, 1780, 2362, 3382, 3560, 4724, 5905, 6764, 8455, 9448, 11810, 13528, 16910, 22439, 23620, 33820, 44878, 47240, 67640, 89756, 105109, 112195, 179512, 210218, 224390, 420436, 448780, 525545, 840872, 897560, 1051090, 1997071, 2102180, 3994142, 4204360, 7988284, 9985355, 15976568, 19970710, 39941420, 79882840]

約数ペア:

[(1, 79882840), (2, 39941420), (4, 19970710), (5, 15976568), (8, 9985355), (10, 7988284), (19, 4204360), (20, 3994142), (38, 2102180), (40, 1997071), (76, 1051090), (89, 897560), (95, 840872), (152, 525545), (178, 448780), (190, 420436), (356, 224390), (380, 210218), (445, 179512), (712, 112195), (760, 105109), (890, 89756), (1181, 67640), (1691, 47240), (1780, 44878), (2362, 33820), (3382, 23620), (3560, 22439), (4724, 16910), (5905, 13528), (6764, 11810), (8455, 9448)]