48987440

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{19753}}^1$

素因数の和:19797

約数の個数: 40

約数和(自身を含む): 117575808

約数和(自身を除く): 68588368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 19753, 39506, 79012, 98765, 158024, 197530, 316048, 395060, 612343, 790120, 1224686, 1580240, 2449372, 3061715, 4898744, 6123430, 9797488, 12246860, 24493720, 48987440]

約数ペア:

[(1, 48987440), (2, 24493720), (4, 12246860), (5, 9797488), (8, 6123430), (10, 4898744), (16, 3061715), (20, 2449372), (31, 1580240), (40, 1224686), (62, 790120), (80, 612343), (124, 395060), (155, 316048), (248, 197530), (310, 158024), (496, 98765), (620, 79012), (1240, 39506), (2480, 19753)]