2054710580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{129553}}^1$

素因数の和:129636

約数の個数: 48

約数和(自身を含む): 4723020624

約数和(自身を除く): 2668310044

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 244, 260, 305, 610, 793, 1220, 1586, 3172, 3965, 7930, 15860, 129553, 259106, 518212, 647765, 1295530, 1684189, 2591060, 3368378, 6736756, 7902733, 8420945, 15805466, 16841890, 31610932, 33683780, 39513665, 79027330, 102735529, 158054660, 205471058, 410942116, 513677645, 1027355290, 2054710580]

約数ペア:

[(1, 2054710580), (2, 1027355290), (4, 513677645), (5, 410942116), (10, 205471058), (13, 158054660), (20, 102735529), (26, 79027330), (52, 39513665), (61, 33683780), (65, 31610932), (122, 16841890), (130, 15805466), (244, 8420945), (260, 7902733), (305, 6736756), (610, 3368378), (793, 2591060), (1220, 1684189), (1586, 1295530), (3172, 647765), (3965, 518212), (7930, 259106), (15860, 129553)]