40605040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2339}}^1$

素因数の和:2390

約数の個数: 80

約数和(自身を含む): 111421440

約数和(自身を除く): 70816400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2339, 2480, 3472, 4340, 4678, 8680, 9356, 11695, 16373, 17360, 18712, 23390, 32746, 37424, 46780, 65492, 72509, 81865, 93560, 130984, 145018, 163730, 187120, 261968, 290036, 327460, 362545, 507563, 580072, 654920, 725090, 1015126, 1160144, 1309840, 1450180, 2030252, 2537815, 2900360, 4060504, 5075630, 5800720, 8121008, 10151260, 20302520, 40605040]

約数ペア:

[(1, 40605040), (2, 20302520), (4, 10151260), (5, 8121008), (7, 5800720), (8, 5075630), (10, 4060504), (14, 2900360), (16, 2537815), (20, 2030252), (28, 1450180), (31, 1309840), (35, 1160144), (40, 1015126), (56, 725090), (62, 654920), (70, 580072), (80, 507563), (112, 362545), (124, 327460), (140, 290036), (155, 261968), (217, 187120), (248, 163730), (280, 145018), (310, 130984), (434, 93560), (496, 81865), (560, 72509), (620, 65492), (868, 46780), (1085, 37424), (1240, 32746), (1736, 23390), (2170, 18712), (2339, 17360), (2480, 16373), (3472, 11695), (4340, 9356), (4678, 8680)]