78258340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{5023}}^1$

素因数の和:5092

約数の個数: 48

約数和(自身を含む): 177246720

約数和(自身を除く): 98988380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 164, 190, 205, 380, 410, 779, 820, 1558, 3116, 3895, 5023, 7790, 10046, 15580, 20092, 25115, 50230, 95437, 100460, 190874, 205943, 381748, 411886, 477185, 823772, 954370, 1029715, 1908740, 2059430, 3912917, 4118860, 7825834, 15651668, 19564585, 39129170, 78258340]

約数ペア:

[(1, 78258340), (2, 39129170), (4, 19564585), (5, 15651668), (10, 7825834), (19, 4118860), (20, 3912917), (38, 2059430), (41, 1908740), (76, 1029715), (82, 954370), (95, 823772), (164, 477185), (190, 411886), (205, 381748), (380, 205943), (410, 190874), (779, 100460), (820, 95437), (1558, 50230), (3116, 25115), (3895, 20092), (5023, 15580), (7790, 10046)]