80880860

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{683}}^1$

素因数の和:914

約数の個数: 48

約数和(自身を含む): 176504832

約数和(自身を除く): 95623972

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 191, 310, 382, 620, 683, 764, 955, 1366, 1910, 2732, 3415, 3820, 5921, 6830, 11842, 13660, 21173, 23684, 29605, 42346, 59210, 84692, 105865, 118420, 130453, 211730, 260906, 423460, 521812, 652265, 1304530, 2609060, 4044043, 8088086, 16176172, 20220215, 40440430, 80880860]

約数ペア:

[(1, 80880860), (2, 40440430), (4, 20220215), (5, 16176172), (10, 8088086), (20, 4044043), (31, 2609060), (62, 1304530), (124, 652265), (155, 521812), (191, 423460), (310, 260906), (382, 211730), (620, 130453), (683, 118420), (764, 105865), (955, 84692), (1366, 59210), (1910, 42346), (2732, 29605), (3415, 23684), (3820, 21173), (5921, 13660), (6830, 11842)]