165161750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{571}}^1$

素因数の和:690

約数の個数: 64

約数和(自身を含む): 337296960

約数和(自身を除く): 172135210

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 89, 125, 130, 178, 250, 325, 445, 571, 650, 890, 1142, 1157, 1625, 2225, 2314, 2855, 3250, 4450, 5710, 5785, 7423, 11125, 11570, 14275, 14846, 22250, 28550, 28925, 37115, 50819, 57850, 71375, 74230, 101638, 142750, 144625, 185575, 254095, 289250, 371150, 508190, 660647, 927875, 1270475, 1321294, 1855750, 2540950, 3303235, 6352375, 6606470, 12704750, 16516175, 33032350, 82580875, 165161750]

約数ペア:

[(1, 165161750), (2, 82580875), (5, 33032350), (10, 16516175), (13, 12704750), (25, 6606470), (26, 6352375), (50, 3303235), (65, 2540950), (89, 1855750), (125, 1321294), (130, 1270475), (178, 927875), (250, 660647), (325, 508190), (445, 371150), (571, 289250), (650, 254095), (890, 185575), (1142, 144625), (1157, 142750), (1625, 101638), (2225, 74230), (2314, 71375), (2855, 57850), (3250, 50819), (4450, 37115), (5710, 28925), (5785, 28550), (7423, 22250), (11125, 14846), (11570, 14275)]