39863440

素因数分解:

$2^4\times 5^1\times {\mathrm{181}}^1\times {\mathrm{2753}}^1$

素因数の和:2947

約数の個数: 40

約数和(自身を含む): 93228408

約数和(自身を除く): 53364968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 181, 362, 724, 905, 1448, 1810, 2753, 2896, 3620, 5506, 7240, 11012, 13765, 14480, 22024, 27530, 44048, 55060, 110120, 220240, 498293, 996586, 1993172, 2491465, 3986344, 4982930, 7972688, 9965860, 19931720, 39863440]

約数ペア:

[(1, 39863440), (2, 19931720), (4, 9965860), (5, 7972688), (8, 4982930), (10, 3986344), (16, 2491465), (20, 1993172), (40, 996586), (80, 498293), (181, 220240), (362, 110120), (724, 55060), (905, 44048), (1448, 27530), (1810, 22024), (2753, 14480), (2896, 13765), (3620, 11012), (5506, 7240)]