31651220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{829}}^1$

素因数の和:944

約数の個数: 48

約数和(自身を含む): 70277760

約数和(自身を除く): 38626540

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 83, 92, 115, 166, 230, 332, 415, 460, 829, 830, 1658, 1660, 1909, 3316, 3818, 4145, 7636, 8290, 9545, 16580, 19067, 19090, 38134, 38180, 68807, 76268, 95335, 137614, 190670, 275228, 344035, 381340, 688070, 1376140, 1582561, 3165122, 6330244, 7912805, 15825610, 31651220]

約数ペア:

[(1, 31651220), (2, 15825610), (4, 7912805), (5, 6330244), (10, 3165122), (20, 1582561), (23, 1376140), (46, 688070), (83, 381340), (92, 344035), (115, 275228), (166, 190670), (230, 137614), (332, 95335), (415, 76268), (460, 68807), (829, 38180), (830, 38134), (1658, 19090), (1660, 19067), (1909, 16580), (3316, 9545), (3818, 8290), (4145, 7636)]