43138420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{1999}}^1$

素因数の和:2104

約数の個数: 48

約数和(自身を含む): 98784000

約数和(自身を除く): 55645580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 83, 130, 166, 260, 332, 415, 830, 1079, 1660, 1999, 2158, 3998, 4316, 5395, 7996, 9995, 10790, 19990, 21580, 25987, 39980, 51974, 103948, 129935, 165917, 259870, 331834, 519740, 663668, 829585, 1659170, 2156921, 3318340, 4313842, 8627684, 10784605, 21569210, 43138420]

約数ペア:

[(1, 43138420), (2, 21569210), (4, 10784605), (5, 8627684), (10, 4313842), (13, 3318340), (20, 2156921), (26, 1659170), (52, 829585), (65, 663668), (83, 519740), (130, 331834), (166, 259870), (260, 165917), (332, 129935), (415, 103948), (830, 51974), (1079, 39980), (1660, 25987), (1999, 21580), (2158, 19990), (3998, 10790), (4316, 9995), (5395, 7996)]