66825980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{1163}}^1$

素因数の和:1215

約数の個数: 72

約数和(自身を含む): 161037072

約数和(自身を除く): 94211092

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 169, 170, 221, 260, 338, 340, 442, 676, 845, 884, 1105, 1163, 1690, 2210, 2326, 2873, 3380, 4420, 4652, 5746, 5815, 11492, 11630, 14365, 15119, 19771, 23260, 28730, 30238, 39542, 57460, 60476, 75595, 79084, 98855, 151190, 196547, 197710, 257023, 302380, 393094, 395420, 514046, 786188, 982735, 1028092, 1285115, 1965470, 2570230, 3341299, 3930940, 5140460, 6682598, 13365196, 16706495, 33412990, 66825980]

約数ペア:

[(1, 66825980), (2, 33412990), (4, 16706495), (5, 13365196), (10, 6682598), (13, 5140460), (17, 3930940), (20, 3341299), (26, 2570230), (34, 1965470), (52, 1285115), (65, 1028092), (68, 982735), (85, 786188), (130, 514046), (169, 395420), (170, 393094), (221, 302380), (260, 257023), (338, 197710), (340, 196547), (442, 151190), (676, 98855), (845, 79084), (884, 75595), (1105, 60476), (1163, 57460), (1690, 39542), (2210, 30238), (2326, 28730), (2873, 23260), (3380, 19771), (4420, 15119), (4652, 14365), (5746, 11630), (5815, 11492)]