199967360

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10079}}^1$

素因数の和:10129

約数の個数: 64

約数和(自身を含む): 493516800

約数和(自身を除く): 293549440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4960, 9920, 10079, 19840, 20158, 40316, 50395, 80632, 100790, 161264, 201580, 312449, 322528, 403160, 624898, 645056, 806320, 1249796, 1290112, 1562245, 1612640, 2499592, 3124490, 3225280, 4999184, 6248980, 6450560, 9998368, 12497960, 19996736, 24995920, 39993472, 49991840, 99983680, 199967360]

約数ペア:

[(1, 199967360), (2, 99983680), (4, 49991840), (5, 39993472), (8, 24995920), (10, 19996736), (16, 12497960), (20, 9998368), (31, 6450560), (32, 6248980), (40, 4999184), (62, 3225280), (64, 3124490), (80, 2499592), (124, 1612640), (128, 1562245), (155, 1290112), (160, 1249796), (248, 806320), (310, 645056), (320, 624898), (496, 403160), (620, 322528), (640, 312449), (992, 201580), (1240, 161264), (1984, 100790), (2480, 80632), (3968, 50395), (4960, 40316), (9920, 20158), (10079, 19840)]