2013211300

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{649423}}^1$

素因数の和:649468

約数の個数: 36

約数和(自身を含む): 4509600256

約数和(自身を除く): 2496388956

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 310, 620, 775, 1550, 3100, 649423, 1298846, 2597692, 3247115, 6494230, 12988460, 16235575, 20132113, 32471150, 40264226, 64942300, 80528452, 100660565, 201321130, 402642260, 503302825, 1006605650, 2013211300]

約数ペア:

[(1, 2013211300), (2, 1006605650), (4, 503302825), (5, 402642260), (10, 201321130), (20, 100660565), (25, 80528452), (31, 64942300), (50, 40264226), (62, 32471150), (100, 20132113), (124, 16235575), (155, 12988460), (310, 6494230), (620, 3247115), (775, 2597692), (1550, 1298846), (3100, 649423)]