20025068320

素因数分解:

$2^5\times 5^1\times {\mathrm{173}}^1\times {\mathrm{227}}^1\times {\mathrm{3187}}^1$

素因数の和:3602

約数の個数: 96

約数和(自身を含む): 47807299008

約数和(自身を除く): 27782230688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 173, 227, 346, 454, 692, 865, 908, 1135, 1384, 1730, 1816, 2270, 2768, 3187, 3460, 3632, 4540, 5536, 6374, 6920, 7264, 9080, 12748, 13840, 15935, 18160, 25496, 27680, 31870, 36320, 39271, 50992, 63740, 78542, 101984, 127480, 157084, 196355, 254960, 314168, 392710, 509920, 551351, 628336, 723449, 785420, 1102702, 1256672, 1446898, 1570840, 2205404, 2756755, 2893796, 3141680, 3617245, 4410808, 5513510, 5787592, 6283360, 7234490, 8821616, 11027020, 11575184, 14468980, 17643232, 22054040, 23150368, 28937960, 44108080, 57875920, 88216160, 115751840, 125156677, 250313354, 500626708, 625783385, 1001253416, 1251566770, 2002506832, 2503133540, 4005013664, 5006267080, 10012534160, 20025068320]

約数ペア:

[(1, 20025068320), (2, 10012534160), (4, 5006267080), (5, 4005013664), (8, 2503133540), (10, 2002506832), (16, 1251566770), (20, 1001253416), (32, 625783385), (40, 500626708), (80, 250313354), (160, 125156677), (173, 115751840), (227, 88216160), (346, 57875920), (454, 44108080), (692, 28937960), (865, 23150368), (908, 22054040), (1135, 17643232), (1384, 14468980), (1730, 11575184), (1816, 11027020), (2270, 8821616), (2768, 7234490), (3187, 6283360), (3460, 5787592), (3632, 5513510), (4540, 4410808), (5536, 3617245), (6374, 3141680), (6920, 2893796), (7264, 2756755), (9080, 2205404), (12748, 1570840), (13840, 1446898), (15935, 1256672), (18160, 1102702), (25496, 785420), (27680, 723449), (31870, 628336), (36320, 551351), (39271, 509920), (50992, 392710), (63740, 314168), (78542, 254960), (101984, 196355), (127480, 157084)]