2661464080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{97561}}^1$

素因数の和:97616

約数の個数: 80

約数和(自身を含む): 6968268288

約数和(自身を除く): 4306804208

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 124, 155, 176, 220, 248, 310, 341, 440, 496, 620, 682, 880, 1240, 1364, 1705, 2480, 2728, 3410, 5456, 6820, 13640, 27280, 97561, 195122, 390244, 487805, 780488, 975610, 1073171, 1560976, 1951220, 2146342, 3024391, 3902440, 4292684, 5365855, 6048782, 7804880, 8585368, 10731710, 12097564, 15121955, 17170736, 21463420, 24195128, 30243910, 33268301, 42926840, 48390256, 60487820, 66536602, 85853680, 120975640, 133073204, 166341505, 241951280, 266146408, 332683010, 532292816, 665366020, 1330732040, 2661464080]

約数ペア:

[(1, 2661464080), (2, 1330732040), (4, 665366020), (5, 532292816), (8, 332683010), (10, 266146408), (11, 241951280), (16, 166341505), (20, 133073204), (22, 120975640), (31, 85853680), (40, 66536602), (44, 60487820), (55, 48390256), (62, 42926840), (80, 33268301), (88, 30243910), (110, 24195128), (124, 21463420), (155, 17170736), (176, 15121955), (220, 12097564), (248, 10731710), (310, 8585368), (341, 7804880), (440, 6048782), (496, 5365855), (620, 4292684), (682, 3902440), (880, 3024391), (1240, 2146342), (1364, 1951220), (1705, 1560976), (2480, 1073171), (2728, 975610), (3410, 780488), (5456, 487805), (6820, 390244), (13640, 195122), (27280, 97561)]