78958750

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:191

約数の個数: 80

約数和(自身を含む): 164534832

約数和(自身を除く): 85576082

約数列:

[1, 2, 5, 10, 13, 25, 26, 43, 50, 65, 86, 113, 125, 130, 215, 226, 250, 325, 430, 559, 565, 625, 650, 1075, 1118, 1130, 1250, 1469, 1625, 2150, 2795, 2825, 2938, 3250, 4859, 5375, 5590, 5650, 7345, 8125, 9718, 10750, 13975, 14125, 14690, 16250, 24295, 26875, 27950, 28250, 36725, 48590, 53750, 63167, 69875, 70625, 73450, 121475, 126334, 139750, 141250, 183625, 242950, 315835, 349375, 367250, 607375, 631670, 698750, 918125, 1214750, 1579175, 1836250, 3036875, 3158350, 6073750, 7895875, 15791750, 39479375, 78958750]

約数ペア:

[(1, 78958750), (2, 39479375), (5, 15791750), (10, 7895875), (13, 6073750), (25, 3158350), (26, 3036875), (43, 1836250), (50, 1579175), (65, 1214750), (86, 918125), (113, 698750), (125, 631670), (130, 607375), (215, 367250), (226, 349375), (250, 315835), (325, 242950), (430, 183625), (559, 141250), (565, 139750), (625, 126334), (650, 121475), (1075, 73450), (1118, 70625), (1130, 69875), (1250, 63167), (1469, 53750), (1625, 48590), (2150, 36725), (2795, 28250), (2825, 27950), (2938, 26875), (3250, 24295), (4859, 16250), (5375, 14690), (5590, 14125), (5650, 13975), (7345, 10750), (8125, 9718)]