79417720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{1259}}^1$

素因数の和:1372

約数の個数: 64

約数和(自身を含む): 190512000

約数和(自身を除く): 111094280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 83, 95, 152, 166, 190, 332, 380, 415, 664, 760, 830, 1259, 1577, 1660, 2518, 3154, 3320, 5036, 6295, 6308, 7885, 10072, 12590, 12616, 15770, 23921, 25180, 31540, 47842, 50360, 63080, 95684, 104497, 119605, 191368, 208994, 239210, 417988, 478420, 522485, 835976, 956840, 1044970, 1985443, 2089940, 3970886, 4179880, 7941772, 9927215, 15883544, 19854430, 39708860, 79417720]

約数ペア:

[(1, 79417720), (2, 39708860), (4, 19854430), (5, 15883544), (8, 9927215), (10, 7941772), (19, 4179880), (20, 3970886), (38, 2089940), (40, 1985443), (76, 1044970), (83, 956840), (95, 835976), (152, 522485), (166, 478420), (190, 417988), (332, 239210), (380, 208994), (415, 191368), (664, 119605), (760, 104497), (830, 95684), (1259, 63080), (1577, 50360), (1660, 47842), (2518, 31540), (3154, 25180), (3320, 23921), (5036, 15770), (6295, 12616), (6308, 12590), (7885, 10072)]