42580240

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{239}}^1$

素因数の和:400

約数の個数: 80

約数和(自身を含む): 106064640

約数和(自身を除く): 63484400

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 131, 136, 170, 239, 262, 272, 340, 478, 524, 655, 680, 956, 1048, 1195, 1310, 1360, 1912, 2096, 2227, 2390, 2620, 3824, 4063, 4454, 4780, 5240, 8126, 8908, 9560, 10480, 11135, 16252, 17816, 19120, 20315, 22270, 31309, 32504, 35632, 40630, 44540, 62618, 65008, 81260, 89080, 125236, 156545, 162520, 178160, 250472, 313090, 325040, 500944, 532253, 626180, 1064506, 1252360, 2129012, 2504720, 2661265, 4258024, 5322530, 8516048, 10645060, 21290120, 42580240]

約数ペア:

[(1, 42580240), (2, 21290120), (4, 10645060), (5, 8516048), (8, 5322530), (10, 4258024), (16, 2661265), (17, 2504720), (20, 2129012), (34, 1252360), (40, 1064506), (68, 626180), (80, 532253), (85, 500944), (131, 325040), (136, 313090), (170, 250472), (239, 178160), (262, 162520), (272, 156545), (340, 125236), (478, 89080), (524, 81260), (655, 65008), (680, 62618), (956, 44540), (1048, 40630), (1195, 35632), (1310, 32504), (1360, 31309), (1912, 22270), (2096, 20315), (2227, 19120), (2390, 17816), (2620, 16252), (3824, 11135), (4063, 10480), (4454, 9560), (4780, 8908), (5240, 8126)]