16179640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{349}}^1$

素因数の和:440

約数の個数: 64

約数和(自身を含む): 39060000

約数和(自身を除く): 22880360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 61, 76, 95, 122, 152, 190, 244, 305, 349, 380, 488, 610, 698, 760, 1159, 1220, 1396, 1745, 2318, 2440, 2792, 3490, 4636, 5795, 6631, 6980, 9272, 11590, 13262, 13960, 21289, 23180, 26524, 33155, 42578, 46360, 53048, 66310, 85156, 106445, 132620, 170312, 212890, 265240, 404491, 425780, 808982, 851560, 1617964, 2022455, 3235928, 4044910, 8089820, 16179640]

約数ペア:

[(1, 16179640), (2, 8089820), (4, 4044910), (5, 3235928), (8, 2022455), (10, 1617964), (19, 851560), (20, 808982), (38, 425780), (40, 404491), (61, 265240), (76, 212890), (95, 170312), (122, 132620), (152, 106445), (190, 85156), (244, 66310), (305, 53048), (349, 46360), (380, 42578), (488, 33155), (610, 26524), (698, 23180), (760, 21289), (1159, 13960), (1220, 13262), (1396, 11590), (1745, 9272), (2318, 6980), (2440, 6631), (2792, 5795), (3490, 4636)]