1040250040

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{2963}}^1$

素因数の和:3172

約数の個数: 64

約数和(自身を含む): 2394437760

約数和(自身を除く): 1354187720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 131, 134, 262, 268, 335, 524, 536, 655, 670, 1048, 1310, 1340, 2620, 2680, 2963, 5240, 5926, 8777, 11852, 14815, 17554, 23704, 29630, 35108, 43885, 59260, 70216, 87770, 118520, 175540, 198521, 351080, 388153, 397042, 776306, 794084, 992605, 1552612, 1588168, 1940765, 1985210, 3105224, 3881530, 3970420, 7763060, 7940840, 15526120, 26006251, 52012502, 104025004, 130031255, 208050008, 260062510, 520125020, 1040250040]

約数ペア:

[(1, 1040250040), (2, 520125020), (4, 260062510), (5, 208050008), (8, 130031255), (10, 104025004), (20, 52012502), (40, 26006251), (67, 15526120), (131, 7940840), (134, 7763060), (262, 3970420), (268, 3881530), (335, 3105224), (524, 1985210), (536, 1940765), (655, 1588168), (670, 1552612), (1048, 992605), (1310, 794084), (1340, 776306), (2620, 397042), (2680, 388153), (2963, 351080), (5240, 198521), (5926, 175540), (8777, 118520), (11852, 87770), (14815, 70216), (17554, 59260), (23704, 43885), (29630, 35108)]