1816528040

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{23789}}^1$

素因数の和:23906

約数の個数: 64

約数和(自身を含む): 4316457600

約数和(自身を除く): 2499929560

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 83, 92, 115, 166, 184, 230, 332, 415, 460, 664, 830, 920, 1660, 1909, 3320, 3818, 7636, 9545, 15272, 19090, 23789, 38180, 47578, 76360, 95156, 118945, 190312, 237890, 475780, 547147, 951560, 1094294, 1974487, 2188588, 2735735, 3948974, 4377176, 5471470, 7897948, 9872435, 10942940, 15795896, 19744870, 21885880, 39489740, 45413201, 78979480, 90826402, 181652804, 227066005, 363305608, 454132010, 908264020, 1816528040]

約数ペア:

[(1, 1816528040), (2, 908264020), (4, 454132010), (5, 363305608), (8, 227066005), (10, 181652804), (20, 90826402), (23, 78979480), (40, 45413201), (46, 39489740), (83, 21885880), (92, 19744870), (115, 15795896), (166, 10942940), (184, 9872435), (230, 7897948), (332, 5471470), (415, 4377176), (460, 3948974), (664, 2735735), (830, 2188588), (920, 1974487), (1660, 1094294), (1909, 951560), (3320, 547147), (3818, 475780), (7636, 237890), (9545, 190312), (15272, 118945), (19090, 95156), (23789, 76360), (38180, 47578)]