38878960

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1$

素因数の和:362

約数の個数: 80

約数和(自身を含む): 95208192

約数和(自身を除く): 56329232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 61, 62, 80, 122, 124, 155, 244, 248, 257, 305, 310, 488, 496, 514, 610, 620, 976, 1028, 1220, 1240, 1285, 1891, 2056, 2440, 2480, 2570, 3782, 4112, 4880, 5140, 7564, 7967, 9455, 10280, 15128, 15677, 15934, 18910, 20560, 30256, 31354, 31868, 37820, 39835, 62708, 63736, 75640, 78385, 79670, 125416, 127472, 151280, 156770, 159340, 250832, 313540, 318680, 485987, 627080, 637360, 971974, 1254160, 1943948, 2429935, 3887896, 4859870, 7775792, 9719740, 19439480, 38878960]

約数ペア:

[(1, 38878960), (2, 19439480), (4, 9719740), (5, 7775792), (8, 4859870), (10, 3887896), (16, 2429935), (20, 1943948), (31, 1254160), (40, 971974), (61, 637360), (62, 627080), (80, 485987), (122, 318680), (124, 313540), (155, 250832), (244, 159340), (248, 156770), (257, 151280), (305, 127472), (310, 125416), (488, 79670), (496, 78385), (514, 75640), (610, 63736), (620, 62708), (976, 39835), (1028, 37820), (1220, 31868), (1240, 31354), (1285, 30256), (1891, 20560), (2056, 18910), (2440, 15934), (2480, 15677), (2570, 15128), (3782, 10280), (4112, 9455), (4880, 7967), (5140, 7564)]