81159095740

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{727}}^1\times {\mathrm{1249}}^1$

素因数の和:2135

約数の個数: 96

約数和(自身を含む): 176576400000

約数和(自身を除く): 95417304260

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 109, 164, 205, 218, 410, 436, 545, 727, 820, 1090, 1249, 1454, 2180, 2498, 2908, 3635, 4469, 4996, 6245, 7270, 8938, 12490, 14540, 17876, 22345, 24980, 29807, 44690, 51209, 59614, 79243, 89380, 102418, 119228, 136141, 149035, 158486, 204836, 256045, 272282, 298070, 316972, 396215, 512090, 544564, 596140, 680705, 792430, 908023, 1024180, 1361410, 1584860, 1816046, 2722820, 3248963, 3632092, 4540115, 5581781, 6497926, 9080230, 11163562, 12995852, 16244815, 18160460, 22327124, 27908905, 32489630, 37228943, 55817810, 64979260, 74457886, 98974507, 111635620, 148915772, 186144715, 197949014, 372289430, 395898028, 494872535, 744578860, 989745070, 1979490140, 4057954787, 8115909574, 16231819148, 20289773935, 40579547870, 81159095740]

約数ペア:

[(1, 81159095740), (2, 40579547870), (4, 20289773935), (5, 16231819148), (10, 8115909574), (20, 4057954787), (41, 1979490140), (82, 989745070), (109, 744578860), (164, 494872535), (205, 395898028), (218, 372289430), (410, 197949014), (436, 186144715), (545, 148915772), (727, 111635620), (820, 98974507), (1090, 74457886), (1249, 64979260), (1454, 55817810), (2180, 37228943), (2498, 32489630), (2908, 27908905), (3635, 22327124), (4469, 18160460), (4996, 16244815), (6245, 12995852), (7270, 11163562), (8938, 9080230), (12490, 6497926), (14540, 5581781), (17876, 4540115), (22345, 3632092), (24980, 3248963), (29807, 2722820), (44690, 1816046), (51209, 1584860), (59614, 1361410), (79243, 1024180), (89380, 908023), (102418, 792430), (119228, 680705), (136141, 596140), (149035, 544564), (158486, 512090), (204836, 396215), (256045, 316972), (272282, 298070)]