40903980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{229}}^2$

素因数の和:483

約数の個数: 72

約数和(自身を含む): 123882192

約数和(自身を除く): 82978212

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 229, 260, 390, 458, 687, 780, 916, 1145, 1374, 2290, 2748, 2977, 3435, 4580, 5954, 6870, 8931, 11908, 13740, 14885, 17862, 29770, 35724, 44655, 52441, 59540, 89310, 104882, 157323, 178620, 209764, 262205, 314646, 524410, 629292, 681733, 786615, 1048820, 1363466, 1573230, 2045199, 2726932, 3146460, 3408665, 4090398, 6817330, 8180796, 10225995, 13634660, 20451990, 40903980]

約数ペア:

[(1, 40903980), (2, 20451990), (3, 13634660), (4, 10225995), (5, 8180796), (6, 6817330), (10, 4090398), (12, 3408665), (13, 3146460), (15, 2726932), (20, 2045199), (26, 1573230), (30, 1363466), (39, 1048820), (52, 786615), (60, 681733), (65, 629292), (78, 524410), (130, 314646), (156, 262205), (195, 209764), (229, 178620), (260, 157323), (390, 104882), (458, 89310), (687, 59540), (780, 52441), (916, 44655), (1145, 35724), (1374, 29770), (2290, 17862), (2748, 14885), (2977, 13740), (3435, 11908), (4580, 8931), (5954, 6870)]