248456598640

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{4861}}^1\times {\mathrm{15583}}^1$

素因数の和:20498

約数の個数: 80

約数和(自身を含む): 591910615296

約数和(自身を除く): 343454016656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 4861, 9722, 15583, 19444, 24305, 31166, 38888, 48610, 62332, 77776, 77915, 97220, 124664, 155830, 194440, 199301, 249328, 311660, 388880, 398602, 623320, 638903, 797204, 996505, 1246640, 1277806, 1594408, 1993010, 2555612, 3188816, 3194515, 3986020, 5111224, 6389030, 7972040, 10222448, 12778060, 15944080, 25556120, 51112240, 75748963, 151497926, 302995852, 378744815, 605991704, 757489630, 1211983408, 1514979260, 3029958520, 3105707483, 6059917040, 6211414966, 12422829932, 15528537415, 24845659864, 31057074830, 49691319728, 62114149660, 124228299320, 248456598640]

約数ペア:

[(1, 248456598640), (2, 124228299320), (4, 62114149660), (5, 49691319728), (8, 31057074830), (10, 24845659864), (16, 15528537415), (20, 12422829932), (40, 6211414966), (41, 6059917040), (80, 3105707483), (82, 3029958520), (164, 1514979260), (205, 1211983408), (328, 757489630), (410, 605991704), (656, 378744815), (820, 302995852), (1640, 151497926), (3280, 75748963), (4861, 51112240), (9722, 25556120), (15583, 15944080), (19444, 12778060), (24305, 10222448), (31166, 7972040), (38888, 6389030), (48610, 5111224), (62332, 3986020), (77776, 3194515), (77915, 3188816), (97220, 2555612), (124664, 1993010), (155830, 1594408), (194440, 1277806), (199301, 1246640), (249328, 996505), (311660, 797204), (388880, 638903), (398602, 623320)]