72279280

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{17047}}^1$

素因数の和:17113

約数の個数: 40

約数和(自身を含む): 171230112

約数和(自身を除く): 98950832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4240, 17047, 34094, 68188, 85235, 136376, 170470, 272752, 340940, 681880, 903491, 1363760, 1806982, 3613964, 4517455, 7227928, 9034910, 14455856, 18069820, 36139640, 72279280]

約数ペア:

[(1, 72279280), (2, 36139640), (4, 18069820), (5, 14455856), (8, 9034910), (10, 7227928), (16, 4517455), (20, 3613964), (40, 1806982), (53, 1363760), (80, 903491), (106, 681880), (212, 340940), (265, 272752), (424, 170470), (530, 136376), (848, 85235), (1060, 68188), (2120, 34094), (4240, 17047)]