65618020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{359}}^1$

素因数の和:437

約数の個数: 96

約数和(自身を含む): 160876800

約数和(自身を除く): 95258780

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 37, 38, 52, 65, 74, 76, 95, 130, 148, 185, 190, 247, 260, 359, 370, 380, 481, 494, 703, 718, 740, 962, 988, 1235, 1406, 1436, 1795, 1924, 2405, 2470, 2812, 3515, 3590, 4667, 4810, 4940, 6821, 7030, 7180, 9139, 9334, 9620, 13283, 13642, 14060, 18278, 18668, 23335, 26566, 27284, 34105, 36556, 45695, 46670, 53132, 66415, 68210, 88673, 91390, 93340, 132830, 136420, 172679, 177346, 182780, 252377, 265660, 345358, 354692, 443365, 504754, 690716, 863395, 886730, 1009508, 1261885, 1726790, 1773460, 2523770, 3280901, 3453580, 5047540, 6561802, 13123604, 16404505, 32809010, 65618020]

約数ペア:

[(1, 65618020), (2, 32809010), (4, 16404505), (5, 13123604), (10, 6561802), (13, 5047540), (19, 3453580), (20, 3280901), (26, 2523770), (37, 1773460), (38, 1726790), (52, 1261885), (65, 1009508), (74, 886730), (76, 863395), (95, 690716), (130, 504754), (148, 443365), (185, 354692), (190, 345358), (247, 265660), (260, 252377), (359, 182780), (370, 177346), (380, 172679), (481, 136420), (494, 132830), (703, 93340), (718, 91390), (740, 88673), (962, 68210), (988, 66415), (1235, 53132), (1406, 46670), (1436, 45695), (1795, 36556), (1924, 34105), (2405, 27284), (2470, 26566), (2812, 23335), (3515, 18668), (3590, 18278), (4667, 14060), (4810, 13642), (4940, 13283), (6821, 9620), (7030, 9334), (7180, 9139)]