40316920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1321}}^1$

素因数の和:1448

約数の個数: 64

約数和(自身を含む): 104702400

約数和(自身を除く): 64385480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 109, 140, 218, 280, 436, 545, 763, 872, 1090, 1321, 1526, 2180, 2642, 3052, 3815, 4360, 5284, 6104, 6605, 7630, 9247, 10568, 13210, 15260, 18494, 26420, 30520, 36988, 46235, 52840, 73976, 92470, 143989, 184940, 287978, 369880, 575956, 719945, 1007923, 1151912, 1439890, 2015846, 2879780, 4031692, 5039615, 5759560, 8063384, 10079230, 20158460, 40316920]

約数ペア:

[(1, 40316920), (2, 20158460), (4, 10079230), (5, 8063384), (7, 5759560), (8, 5039615), (10, 4031692), (14, 2879780), (20, 2015846), (28, 1439890), (35, 1151912), (40, 1007923), (56, 719945), (70, 575956), (109, 369880), (140, 287978), (218, 184940), (280, 143989), (436, 92470), (545, 73976), (763, 52840), (872, 46235), (1090, 36988), (1321, 30520), (1526, 26420), (2180, 18494), (2642, 15260), (3052, 13210), (3815, 10568), (4360, 9247), (5284, 7630), (6104, 6605)]