38823160

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{239}}^1$

素因数の和:412

約数の個数: 64

約数和(自身を含む): 91238400

約数和(自身を除く): 52415240

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 131, 155, 239, 248, 262, 310, 478, 524, 620, 655, 956, 1048, 1195, 1240, 1310, 1912, 2390, 2620, 4061, 4780, 5240, 7409, 8122, 9560, 14818, 16244, 20305, 29636, 31309, 32488, 37045, 40610, 59272, 62618, 74090, 81220, 125236, 148180, 156545, 162440, 250472, 296360, 313090, 626180, 970579, 1252360, 1941158, 3882316, 4852895, 7764632, 9705790, 19411580, 38823160]

約数ペア:

[(1, 38823160), (2, 19411580), (4, 9705790), (5, 7764632), (8, 4852895), (10, 3882316), (20, 1941158), (31, 1252360), (40, 970579), (62, 626180), (124, 313090), (131, 296360), (155, 250472), (239, 162440), (248, 156545), (262, 148180), (310, 125236), (478, 81220), (524, 74090), (620, 62618), (655, 59272), (956, 40610), (1048, 37045), (1195, 32488), (1240, 31309), (1310, 29636), (1912, 20305), (2390, 16244), (2620, 14818), (4061, 9560), (4780, 8122), (5240, 7409)]