16681340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{773}}^1$

素因数の和:878

約数の個数: 48

約数和(自身を含む): 38229408

約数和(自身を除く): 21548068

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 83, 130, 166, 260, 332, 415, 773, 830, 1079, 1546, 1660, 2158, 3092, 3865, 4316, 5395, 7730, 10049, 10790, 15460, 20098, 21580, 40196, 50245, 64159, 100490, 128318, 200980, 256636, 320795, 641590, 834067, 1283180, 1668134, 3336268, 4170335, 8340670, 16681340]

約数ペア:

[(1, 16681340), (2, 8340670), (4, 4170335), (5, 3336268), (10, 1668134), (13, 1283180), (20, 834067), (26, 641590), (52, 320795), (65, 256636), (83, 200980), (130, 128318), (166, 100490), (260, 64159), (332, 50245), (415, 40196), (773, 21580), (830, 20098), (1079, 15460), (1546, 10790), (1660, 10049), (2158, 7730), (3092, 5395), (3865, 4316)]