66064700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{571}}^1$

素因数の和:687

約数の個数: 72

約数和(自身を含む): 156396240

約数和(自身を除く): 90331540

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 89, 100, 130, 178, 260, 325, 356, 445, 571, 650, 890, 1142, 1157, 1300, 1780, 2225, 2284, 2314, 2855, 4450, 4628, 5710, 5785, 7423, 8900, 11420, 11570, 14275, 14846, 23140, 28550, 28925, 29692, 37115, 50819, 57100, 57850, 74230, 101638, 115700, 148460, 185575, 203276, 254095, 371150, 508190, 660647, 742300, 1016380, 1270475, 1321294, 2540950, 2642588, 3303235, 5081900, 6606470, 13212940, 16516175, 33032350, 66064700]

約数ペア:

[(1, 66064700), (2, 33032350), (4, 16516175), (5, 13212940), (10, 6606470), (13, 5081900), (20, 3303235), (25, 2642588), (26, 2540950), (50, 1321294), (52, 1270475), (65, 1016380), (89, 742300), (100, 660647), (130, 508190), (178, 371150), (260, 254095), (325, 203276), (356, 185575), (445, 148460), (571, 115700), (650, 101638), (890, 74230), (1142, 57850), (1157, 57100), (1300, 50819), (1780, 37115), (2225, 29692), (2284, 28925), (2314, 28550), (2855, 23140), (4450, 14846), (4628, 14275), (5710, 11570), (5785, 11420), (7423, 8900)]